The perimeter of an equilateral triangle is the sum of the lengths of its three sides. Since all the sides of an equilateral triangle are equal, the perimeter can be calculated by multiplying the length of one side by three. The formula for the perimeter of an equilateral triangle is¹:
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The perimeter of an equilateral triangle is the sum of the lengths of its three sides. Since all the sides of an equilateral triangle are equal, the perimeter can be calculated by multiplying the length of one side by three. The formula for the perimeter of an equilateral triangle is¹:
[tex]\text{Perimeter} = 3 \times \text{Side}[/tex]
Given that the side of the equilateral triangle is 6 cm, we can plug in the value and get:
[tex]\text{Perimeter} = 3 \times 6 \text{ cm}[/tex]
[tex]\text{Perimeter} = 18 \text{ cm}[/tex]
Therefore, the perimeter of the equilateral triangle is 18 cm.
I hope this helps you understand the formula for the perimeter of an equilateral triangle.
Answer:
18
perimeter of equilateral triangle = a + b+ c
= 6+6+6
= 18